Bounding the Higgs width using effective field theory

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Abstract

An interesting question is how present and future experiments will be able to probe the couplings of the Higgs boson and its intrinsic width at a high level of precision. There is a wide variety of beyond the Standard Model (BSM) theories where the Higgs couplings differ from the Standard Model (SM) ones by less that 10%. We take the SM as the theory of "light" degrees of freedom, i.e. d = 4 operators and simulate the unknown extension of the SM by the most general set of d = 6 operators. In particular we provide an explicit example of momentum-dependent modification of Higgs couplings.

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APA

Ghezzi, M., Passarino, G., & Uccirati, S. (2014). Bounding the Higgs width using effective field theory. In Proceedings of Science (Vol. 2014-January). Proceedings of Science (PoS). https://doi.org/10.22323/1.211.0072

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